﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Demo01
{
    class Prep : Calculate
    {
        public override void DisplayResult()
        {

            Console.WriteLine("两个整数相减为：{0}", a-b);
        }
        public Prep(int a, int b) : base(a, b)
        {

        }
    }
}
